tree 61bc6a86691586b490210029aeb603969d97e399
parent 75fd9edc1054a1fa1d1411adec368dadf68e764e
author Michael S. Tsirkin <mst@redhat.com> 1311084943 +0300
committer Michael S. Tsirkin <mst@redhat.com> 1311085048 +0300

vhost: optimize interrupt enable/disable

As we now only update used ring after enabling
the backend, we can write flags with __put_user:
as that's done on data path, it matters.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>